//=============================================================================
//                                                                            
//                               OpenMesh                                     
//      Copyright (C) 2001-2005 by Computer Graphics Group, RWTH Aachen       
//                           www.openmesh.org                                 
//                                                                            
//-----------------------------------------------------------------------------
//                                                                            
//                                License                                     
//                                                                            
//   This library is free software; you can redistribute it and/or modify it 
//   under the terms of the GNU Library General Public License as published  
//   by the Free Software Foundation, version 2.                             
//                                                                             
//   This library is distributed in the hope that it will be useful, but       
//   WITHOUT ANY WARRANTY; without even the implied warranty of                
//   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU         
//   Library General Public License for more details.                          
//                                                                            
//   You should have received a copy of the GNU Library General Public         
//   License along with this library; if not, write to the Free Software       
//   Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.                 
//                                                                            
//-----------------------------------------------------------------------------
//                                                                            
//   $Revision: 1.2 $
//   $Date: 2005-12-21 13:48:38 $
//                                                                            
//=============================================================================


//=============================================================================
//
//  Helper Functions for binary reading / writing
//
//=============================================================================

#ifndef OPENMESH_SR_BINARY_HH
#define OPENMESH_SR_BINARY_HH


//== INCLUDES =================================================================

#include <Core/System/config.hh>
// -------------------- STL
#include <typeinfo>
#include <stdexcept>
#include <sstream>
#include <numeric>   // accumulate
// -------------------- OpenMesh


//== NAMESPACES ===============================================================

namespace OpenMesh {
	namespace IO {


		//=============================================================================


		//-----------------------------------------------------------------------------

		const static size_t UnknownSize(size_t(-1));


		//-----------------------------------------------------------------------------
		// struct binary, helper for storing/restoring

#define X \
	std::ostringstream msg; \
	msg << "Type not supported: " << typeid(value_type).name(); \
	throw std::logic_error(msg.str())

		/// \struct binary SR_binary.hh <Core/IO/SR_binary.hh>
		///
		/// The struct defines how to store and restore the type T.
		/// It's used by the OM reader/writer modules.
		///
		/// The following specialization are provided:
		/// - Fundamental types except \c long \c double
		/// - %OpenMesh vector types
		/// - %OpenMesh::StatusInfo
		/// - std::string (max. length 65535)
		///
		/// \todo Complete documentation of members
		template < typename T > struct binary
		{
			typedef T     value_type;

			static const bool is_streamable = false;

			static size_t size_of(void) { return UnknownSize; }
			static size_t size_of(const value_type&) { return UnknownSize; }

			static 
				size_t store(std::ostream& _os, const value_type& _v, bool _swap=false)
			{ _swap; _v; _os; X;  return 0; }

			static 
				size_t restore( std::istream& _is, value_type& _v, bool _swap=false)
			{ _swap; _v; _is; X;  return 0; }
		};

#undef X


		//=============================================================================
	} // namespace IO
} // namespace OpenMesh
//=============================================================================
#endif // OPENMESH_SR_RBO_HH defined
//=============================================================================

